Quick and simple installation; Security; High efficiency; Great function; Excellent performance. The filter fan is with unique specialties, it works efficiently; it' s safe and pleasing to the eyes for quick installation without the assistance of any other tool. All these advantages it has, plus with in the market. Technical speculations: Quick and simple installation without screw. Optimal air flow. Super flat blade design. Low noise level. Turn around the fan, and it can be used for air draft or air blow.                                                       Fan and filter 105× 105 Type FKL 6622.230 6622.115 6622.024   Designed working voltage V/H 230/50/60 115/50/60 24(DC)   Air flow, free blowing 55/66m 3 /h   Flux of air equip filter exported Include filtering pad of standard 1× FKL 6622.300: 43/50m 3 /h 2× FKL6622.300: 48/55m 3/h  1× FKL6623.300: 48/55m 3/h     Axial fan Self-start screened magnetic pole motor Direct current motor   Rated current 0.14A 0.10A 0.24A 0.21A 0.30A   Power 22W/30W 22W/26W 7.2W   Noise level 41/46dB(A)   Scope of temperature -10° C~+55° C   Exit filter  Type FKL 6622.300   It is possible to write to our company to consult if needing special voltage.